SIGLENT SDS1000D Uživatelský manuál stáhnout pdf (Strana 134)

126

3.6. Application of X-Y function

Viewing Impedance Changes in a Network

Connect the oscilloscope to monitor the input and output of the circuit

To view the input and output of the circuit in an XY display, follow these steps:

1）Press the “CH 1” MENU button and set the Probe option attenuation to 10X.

2) Press the “CH 2” MENU button and set the Probe option attenuation to

10X.

3). Set the switch of the probe to 10X.

4). Connect the channel 1 probe to the input of the network, and connect the

channel 2 probe to the output.

5). Press the “AUTO” button.

6). Turn the “Volts/div” knobs to display approximately the same amplitude

signals on each channel.

7). Press the “DISPLAY” button.

8). Press the Format option button and select “XY”.

The oscilloscope displays a Lissajous pattern representing the input and

output characteristics of the circuit.

9).Turn the VOLTS/DIV and VERTICAL POSITION knobs to optimize the

display.

10).Press the “Persist” option button and select “Infinite”.

11).Press the “Intensity” or “Brightness ” option buttons and turn the

“Universal”knob to adjust the contrast of the screen.

12). Apply the Ellipse method to observe the phase difference between the

two channels

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SIGLENT SDS1000D Uživatelský manuál Strana 134